MAINTENANCE AND SERVICING
Adjusting Header Drop Rate
The header should lower gradually when the lower header switch is pressed. From fully raised to ground should
take approximately 3–4 seconds.
NOTE:
Drop rate should NOT be less than 3 t o 4 seconds as structural damage may result.
NOTE:
If drop rate is too slow (over 30 seconds), return to cut height or tilt or float presets will deactivate to prevent
overheating the hydraulic system.
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove
the key from the ignition before leaving the operator’s seat for any reason.
1. Lower header to grou
nd, stop the engine, and remove the key.
2. Open left cab-forw
ardsideplatform,referto5.3.1 Opening Platforms (Standard Position), page 309.
3. Loosen inne r knob (
B) on needle valve and then turn
outer knob (A):
• Clockwise to decre
ase the drop rate.
• Counterclockwis
e to increase the drop rate.
4. Tighten inner kno
b(A).
5. Check drop rate a
nd readjust as required.
6. Close the platfo
rm, refer to 5.3.2 Closing Platforms
(Standard Posit
ion), page 310.
Figure 5.196: Hydraul ic System
Adjusting Reel Drop Rate
The reel should lower gradually when the lower reel switch is pressed. From fully raised to fully lowered should
take approximately 3–4 seconds. Drop rate is a customer preference and will vary based on crop type and
cutting condition.
NOTE:
Drop speed sh
ould NOT be less tha n 3 to 4 seconds as structural dama ge may result.
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove
the key from the ignition before leaving the operator’s seat for any reason.
1. Lower header to ground, stop the engine, and remove the key.
147649 408 Revision A
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